Linux Manual Page
리눅스 메뉴얼
* man7.org (URL)
* die.net (URL)
Section Number in the Man Page
(1) - General Commands
(2) - System Calls
(3) - C Library Functions
(4) - Special Files (Usually devices, as in /dev) and Drivers
(5) - File Formats and Conventions
(6) - Games and Screensavers
(7) - Miscellanea
(8) - System Administration Commands and Daemons
